diff --git a/pkgs/by-name/ef/efmt/package.nix b/pkgs/by-name/ef/efmt/package.nix
new file mode 100644
index 000000000000..bf716cd8a772
--- /dev/null
+++ b/pkgs/by-name/ef/efmt/package.nix
@@ -0,0 +1,30 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitHub,
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "efmt";
+  version = "0.18.2";
+
+  src = fetchFromGitHub {
+    owner = "sile";
+    repo = "efmt";
+    rev = version;
+    hash = "sha256-sS6OqcVuRZXGjrTv5gYz3ECrHNOsu/1eN7Jqs9QRm3Q=";
+  };
+
+  cargoHash = "sha256-gcgKOgWdQwSFN9WMTJ/PBob+iuAqG+yTrSnbevM+csI=";
+
+  meta = {
+    description = "Erlang code formatter";
+    homepage = "https://github.com/sile/efmt";
+    license = with lib.licenses; [
+      asl20
+      mit
+    ];
+    maintainers = with lib.maintainers; [ haruki7049 ];
+    mainProgram = "efmt";
+  };
+}